Big Sink Trail

The Big Sink Trail is a hiking trail located in the picnic area of the Birthplace Unit of the park on the east side of Highway U.S. 31E. The trail has three loops of various lengths with Loop B being accessible. The trailhead is located in the picnic area where parking is available. Please use caution when hiking the trail as it crosses Keith Road at two separate locations. Watch for oncoming traffic when crossing Keith Road. Trailhead Location: Picnic Area of the Birthplace Unit Duration: 1 - 1 1/2 hours Difficulty: Easy Length: 1.36 mile (2.19 km) Trail Type: Loop Loop A is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 7%. Trailhead Location: Picnic Area of the Birthplace Unit Duration: 30 - 45 minutes Difficulty: Easy Length: .42 mile (.67 km) Trail Type: Loop Loop B is an accessible hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This accessible trail is composed of compacted lime chips with a typical width of five feet and a maximum trail grade of 5%. Trailhead Location: Picnic Area of the Birthplace Unit Duration: 30 - 45 minutes Difficulty: Accessible - Easy Length: .36 miles (.58 km) Trail Type: Loop Loop C is a hiking trail that is part of the 1.36 mile long Big Sink Trail located in the picnic area of the Birthplace Unit on the eastside of U.S. Highway 31E. This trail is composed of crushed dense grade gravel with a typical width of five feet and a maximum trail grade of 13%. Trailhead Location: Picnic Area of the Birthplace Unit Duration: 30 - 45 minutes Difficulty - Easy Length: .58 miles (.93 km) Trail Type: Loop